General Contact Lens Care and QuestionsA discussion of the general questions related to contact lens care and application

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Has anyone ever gone to the eye doctor and got their examination, got fitted for their contacts, then walked out the door and down the street and found that their vision wasn't right? What could be the cause of such a thing?

Has anyone ever gone to the eye doctor and got their examination, got fitted for their contacts, then walked out the door and down the street and found that their vision wasn't right? What could be the cause of such a thing?

Unfortunately, that does happen sometimes. Eye doctors are human, too. You probably should go back to your eye doctor and let him or her know that you're having trouble. If they insist that they didn't make a mistake, you should by all means seek out a second opinion.

Unfortunately, that does happen sometimes. Eye doctors are human, too. You probably should go back to your eye doctor and let him or her know that you're having trouble. If they insist that they didn't make a mistake, you should by all means seek out a second opinion.

I think it could happen but not most of the time. Haven't you felt that something is wrong with your contact lens before you left? I guess all the patient must address to their doctors any concerns about it before they go out of the clinic.

I think it could happen but not most of the time. Haven't you felt that something is wrong with your contact lens before you left? I guess all the patient must address to their doctors any concerns about it before they go out of the clinic.

That's true, but couldn't there be a case where you don't notice the blurred vision until you get outside into the bright sunshine? You'd probably noticed the blurriness before that, but what if you didn't?

Unless I was just collecting a a spare pair of lenses, my optician would normally check my vision against the eye chart (or now they seem to use a big colour plasma screen so they can change the letter sequence on the chart to stop cheats!).

When I switched recently from yearly to a monthly disposable, my eyesight with the new lenses were terrible. However, one lens was -0.25 too strong. But I think it took me at least a week to get used to the new lens material and I hadn't expected that. I had a scheduled follow up visit a week later and the optician was able to fine tune the prescription. When I bought the correct power pair of lenses later, it was much better.

Sometimes I think it can take an hour of so for the eyes to re-adjust to lenses after wearing spectacles for 12-24 hours prior to the test.

Sure has!, and I am still stuck with two boxes of FreshLook Colorblends Toric lenses, that I am unable to wear. Had a total of 3 or 4 exams within a one month period. Everything was "good to go" until I actually paid for and brought home the contacts that I had ordered. Every once in a while I will try them just to see if I can see -- I can, however it's only for an hour maybe two at most. BUMMER.

Sorry to hear that, catt. I hope you found a colored toric contact lens that works for you.

Unless I was just collecting a a spare pair of lenses, my optician would normally check my vision against the eye chart (or now they seem to use a big colour plasma screen so they can change the letter sequence on the chart to stop cheats!).

knotlob

I've heard stories about people memorizing the eye chart to pass their exam, but I don't know anyone personally who has done that. Do you? (You don't have to mention any names. )

Unless I was just collecting a a spare pair of lenses, my optician would normally check my vision against the eye chart (or now they seem to use a big colour plasma screen so they can change the letter sequence on the chart to stop cheats!).

knotlob

That sounds really cool, Knotlob. Do you have a picture of one of these plasma screen eye charts? Google couldn't find any.

That sounds really cool, Knotlob. Do you have a picture of one of these plasma screen eye charts? Google couldn't find any.

It's nothing special. It's just a Plasma Screen interfaced with the Optician's trendy new eye sight test equipment and the plasma screen is fed with the eye sight chart from the eye test equipment. The optician can scroll through the different sized character charts and even change the letters in each line to stop people memorising the chart!

Some of the opticians seem to have a digital system for changing the over refraction lenses they use to measure your eyesight. Not any more accurate than the normal manual lens system, but probably faster.

It's nothing special. It's just a Plasma Screen interfaced with the Optician's trendy new eye sight test equipment and the plasma screen is fed with the eye sight chart from the eye test equipment. The optician can scroll through the different sized character charts and even change the letters in each line to stop people memorising the chart!

Some of the opticians seem to have a digital system for changing the over refraction lenses they use to measure your eyesight. Not any more accurate than the normal manual lens system, but probably faster.

I've heard the stories, too, and so far that's all they are. Just stories.

Well actually there was a newspaper report of a professional driver (probably a garbage truck driver) who did memorise the eye chart to pass the test. Unfortunately he had an accident and ran over someone, though I can't remember if he killed them. I think his poor eyesight was not the main factor in the accident though, but it was highlighed in court. I think it was in the UK about a year ago.

Well actually there was a newspaper report of a professional driver (probably a garbage truck driver) who did memorise the eye chart to pass the test. Unfortunately he had an accident and ran over someone, though I can't remember if he killed them. I think his poor eyesight was not the main factor in the accident though, but it was highlighed in court. I think it was in the UK about a year ago.

knotlob

Well, that's a shame. I'm afraid that sort of thing probably happens more often than we know.

It's nothing special. It's just a Plasma Screen interfaced with the Optician's trendy new eye sight test equipment and the plasma screen is fed with the eye sight chart from the eye test equipment. The optician can scroll through the different sized character charts and even change the letters in each line to stop people memorising the chart!

Some of the opticians seem to have a digital system for changing the over refraction lenses they use to measure your eyesight. Not any more accurate than the normal manual lens system, but probably faster.

I don't know why anyone would go through all that. If I need glasses, I want to get glasses. Knowing me, it would be just a matter of time before my poor vision got me into trouble.

Knotlob said that a someone who had pulled that scam was a truck driver, so a person might be tempted to cheat on an eye exam if it means they can keep their job, although I don't see why this truck driver couldn't just get some glasses or contacts and keep on truckin'. Perhaps he didn't have enough insurance for the exam and lenses, I don't know.

Knotlob said that a someone who had pulled that scam was a truck driver, so a person might be tempted to cheat on an eye exam if it means they can keep their job, although I don't see why this truck driver couldn't just get some glasses or contacts and keep on truckin'. Perhaps he didn't have enough insurance for the exam and lenses, I don't know.

Maybe he was afraid his trucker buddies would make fun of his glasses.

Well actually there was a newspaper report of a professional driver (probably a garbage truck driver) who did memorise the eye chart to pass the test. Unfortunately he had an accident and ran over someone, though I can't remember if he killed them. I think his poor eyesight was not the main factor in the accident though, but it was highlighed in court. I think it was in the UK about a year ago.

knotlob

Wow, that's a sad story. I think the guy who cheated on his exam felt almost as bad as his victim's family and friends.

Well actually there was a newspaper report of a professional driver (probably a garbage truck driver) who did memorise the eye chart to pass the test. Unfortunately he had an accident and ran over someone, though I can't remember if he killed them. I think his poor eyesight was not the main factor in the accident though, but it was highlighed in court. I think it was in the UK about a year ago.

knotlob

This story just emphasizes the importance of proper vision correction. I'm not saying that if you skip your eye doctor appointment then someone will die, but there are consequences.

Any materials provided on this web site are for informational purposes only. Have your eyes examined regularly and always follow your eye care professional's instructions for the proper use and care of your contact lenses. IF YOU ARE HAVING ANY UNEXPLAINED EYE DISCOMFORT, WATERING, VISION CHANGE OR REDNESS, REMOVE YOUR LENSES IMMEDIATELY AND CONSULT YOUR EYE CARE PROFESSIONAL BEFORE WEARING YOUR CONTACT LENSES AGAIN.